OE 251399201L — Transmission Mount for Volkswagen

Watch for noise on cold start, vibration under load, warning lights, fluid seepage or uneven operation. Once any of those appears the transmission mount should be inspected, and reference 251399201L replaced if it measures outside specification.

Aftermarket transmission mount comes from tooling houses that hold the original drawings or licensed equivalents. KingMay sources from vetted factories and inspects each batch; the manufacturer name is available on request where your market requires origin documentation.

Three checks: the code printed on your old part must read 251399201L; the number must fall inside the build-year range in the Applications table; and the connector, thread or bolt pattern must match the reference photo. Codes cast into the housing are the most reliable source.

Every shipment of 251399201L leaves with a packing list, photo documentation and a QC report. Warranty terms are agreed per contract and reference that inspection record; claims are settled in writing against the documentation.

A supersession happens when the maker revises a transmission mount and issues a new tail number. The revision normally changes a small physical detail rather than the fit. Where we know a supersession chain for 251399201L we list the current reference; ask our desk for written confirmation before a large order.

Four variables explain most of the spread: material grade, whether the goods are new production or clearance stock, packing format, and whether the quote is ex-works or landed. Ask for the material certificate alongside the price — that is what makes a comparison like-for-like.